Structure and dielectric properties of Fe and Ni doped (Zr,Sn) TiO4 ceramic

被引：0
|
作者：
Chen, Li-Ying [1 ]
Wu, Shun-Hua [1 ]
Dong, Xiang-Hong [1 ]
机构：
[1] Coll. of Electron. Info. Eng., Tianjin Univ., Tianjin 300072, China
来源：
Wuji Cailiao Xuebao/Journal of Inorganic Materials | 2002年 / 17卷 / 03期
关键词：
Dielectric properties - Doping (additives) - Ferrite - Nickel - Sintering - Titanium oxides;
D O I：
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学科分类号：
摘要：
The dielectric ceramic with a main crystal phase of (Zr,Sn) TiO4 was prepared by conventional electronic ceramics technology. The structure of (Zr,Sn) TiO4 is orthorhombic with space group Pbcn. The effects of Fe and Ni doping on the dielectric properties of (Zr,Sn) TiO4 system ceramics were investigated. Fe dopants decrease the sintering temperature and reduce Q values of the system (Q=1/tgδ). With both Fe and Ni doping, the decreasing of Q factor can be suppressed. Because of Ni ions probably suppressing the diffusion of Fe ions into the grain, Fe ions stay at the grain boundaries and form the Fe-Ni spinel structure, which reduces the effects of Fe ions on Q values.
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页码：504 / 508
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